Speaker type: portable Bluetooth speaker Adjustment method: key Features: Bluetooth audio input, Bluetooth, LINE IN, TF card Power supply: DC 5V, lithium battery (400mah) with double protection Effective power: 3W Speaker unit: ∮45MM S / N ratio: ﹥ 80DB Distortion rate: ﹤ 0.5% @ (1KHz) Frequency: 90Hz-20KHz Audio interface: 3.5MM Impedance: 4Ω Playing time: 1Hours Speaker size: ∮: 60mm, H: 65mm Speaker weight: 200G Bluetooth version: Bluetooth2.1 Working frequency: 2402-2480MHz Carton size: 33 * 33 * 32.5cm Net weight: 18.5Kg Gross weight: 19Kg Packing quantity: 100 sets

Transmission range: up to 10 meters, the data is measured in an open and unobstructed area. Walls and buildings may affect signal transmission Material: ABS

【Product Features】 1. Bluetooth speaker with stylish appearance is not only high-end, but also durable. 2. Bluetooth wireless transmission, support hands-free calling 3. Support TF card auto-play function 4. Support audio output, can be connected to computer, mobile phone, MP3 and other audio interfaces 5. Small body drive, large capacity, super loud volume, strong and powerful treble